关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 公告:维护QQ群:833371870,欢迎加入!公告:维护QQ群:833371870,欢迎加入!公告:维护QQ群:833371870,欢迎加入! 2022-06-04 3. Both of the earth Day and the World Environment Day are original from (time). 3. Both of the earth Day and the World Environment Day are original from (time). 答案: 查看 举一反三 3. Both of the earth Day and the World Environment Day are original from (1980s / 1970s). World Earth Day is on _______. World Earth Day originated in ________. 中国大学MOOC: The time of the World Environment Day is at every year. (June 5th / July 5th) Who is the founder of World Earth Day?